Israel has banned UNSG & UNRWA

 Israel's foreign minister said on Oct 2nd that he was barring U.N. Secretary-General Antonio Guterres from entering the country declaring him officially unwelcome because he had not "unequivocally" condemned Iran's missile attack on Israel. 

Israel has banned the UN agency for Palestinian refugees.
Israel passes second bill to designate Unrwa(United Nations Relief and Works Agency)a terror organisation.